backendid.h

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

/*-------------------------------------------------------------------------
 *
 * backendid.h
 *	  POSTGRES backend id communication definitions
 *
 *
 * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * $PostgreSQL: pgsql/src/include/storage/backendid.h,v 1.18 2005/10/15 02:49:46 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef BACKENDID_H
#define BACKENDID_H

/* ----------------
 *		-cim 8/17/90
 * ----------------
 */
typedef int BackendId;			/* unique currently active backend identifier */

#define InvalidBackendId		(-1)

extern BackendId MyBackendId;	/* backend id of this backend */

#endif   /* BACKENDID_H */